112625409 has 16 divisors (see below), whose sum is σ = 161933184. Its totient is φ = 69216000.

The previous prime is 112625389. The next prime is 112625413. The reversal of 112625409 is 904526211.

It is not a de Polignac number, because 112625409 - 2¹⁷ = 112494337 is a prime.

It is a super-3 number, since 3×112625409³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (112625479) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38809 + ... + 41609.

It is an arithmetic number, because the mean of its divisors is an integer number (10120824).

Almost surely, 2^112625409 is an apocalyptic number.

It is an amenable number.

112625409 is a deficient number, since it is larger than the sum of its proper divisors (49307775).

112625409 is a wasteful number, since it uses less digits than its factorization.

112625409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3848.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 112625409 is about 10612.5119081205. The cubic root of 112625409 is about 482.9240050354.

It can be divided in two parts, 112 and 625409, that added together give a triangular number (625521 = T₁₁₁₈).

The spelling of 112625409 in words is "one hundred twelve million, six hundred twenty-five thousand, four hundred nine".